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Dec 2, 2014 MAST Data Discovery Portal
Tom DonaldsonTony Rogers
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Dec 2, 2014
Agenda
• Review Objectives• Current status• Work Completed Since Release• Work in Progress• Future Work
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Dec 2, 2014
Objectives
2. Provide instant access to Virtual Observatory collections.1. Unify MAST missions with a common discovery interface.
3. Build a framework for astronomy data interchange.
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Dec 2, 2014
Current Status• Originally released in Fall 2013
– Replaced MAST cross-mission search– Supported JWST DMS Build 2 testing
• Usage is small but growing (up to a few thousand unique searches per month)– Should increase with additional query parameters
• Used for searching JWST SID archive.
• Also operational as VAO Data Discovery Tool
• Server supports gPhoton python client – http://archive.stsci.edu/prepds/gphoton/
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Dec 2, 2014
Work Completed Since Release
• >100 tickets for software changes– Bug fixes and usability improvements– Press release data display and test bed– Upgraded core JavaScript library– Enhanced usage logging– Enhanced import/export– Performance enhancements
• >30 tickets for CAOM improvements– New data made available for several missions– Corrections to some metadata values
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Dec 2, 2014
Work In Progress• Hubble Source Catalog support
– Search, filter, overlay in AstroView, scatter plots, cross-match with other catalogs
– Display image cutouts for each extraction– Create new columns– HST image display in AstroView
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Dec 2, 2014
Work In Progress (2)• Interactive Spectral Viewer
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Dec 2, 2014
Work In Progress (3)• View previews as cutouts. Example at:
– 03:32:42.290 -27:47:46.17 r=0
Full Previews Cutouts around position
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Dec 2, 2014
Work In Progress (4)• Parameterized query interface– Search by Instrument, Program ID, etc.
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Dec 2, 2014
Work In Progress (5)
• Work with a designer to improve usability, look and feel.
• Integrate with STScI SSO infrastructure• JWST Requirements Analysis
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Dec 2, 2014
Future Work• Data Retrieval
– Load remaining MAST observations into CAOM– Search and cross-match against all MAST catalogs– Mission-Specific query interface– Support referencing MAST datasets via DOIs (Digital Object
Identifiers)
• Data Avalanche– Dealing with large result sets– Summary data views
• Data Visualization– Integrated FITS viewer– Generalized image services– AstroView: More Surveys
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Dec 2, 2014
Future Work (2)• Single Sign On
– Retain user preferences, search and download histories– Restrict access to proprietary data
• Virtual Observatory– New search engine– Study indexing to speed VO searches– Contribute to data discovery standards definition
• Other– Ongoing JWST Implementation– Manage UI Complexity– Mobile access